Monoazo compounds having a substituted 1,2,3-triazolyl-5 diazo component radical and an unsubstituted or substituted 1,4-phenylene coupling component radical

ABSTRACT

Compounds of the formula ##STR1## in which R 1  is hydrogen or an aliphatic or aromatic substituent conventional for diazo component radicals of disperse dyes and which is bound to a N-atom in the 1- or 2-position of the triazole nucleus through a carbon atom, with the proviso that when R 1  is in the 1-position, the broken line represents double bonds in the 2,3- and 4,5-positions and when R 1  is in the 2-position, the broken line represents double bonds in the 3,4- and 1,5-positions, 
     R 2  is an electron withdrawing or inductive group, and 
     K is a coupling component radical of the aniline series, 
     with the proviso that the molecule is free from cationic groups, sulphonic acid groups, metals and metallizable groups, which compounds are useful as disperse dyes for textile substrates consisting of or comprising synthetic or semi-synthetic, hydrophobic, high molecular weight organic materials such as linear aromatic polyesters, cellulose 21/2 acetate, cellulose triacetate and synthetic polyamides.

The present invention relates to azo compounds, their production and use as disperse dyes.

More particularly, the present invention provides azo disperse dyes of formula I, ##STR2## in which R₁ is hydrogen or an aliphatic or aromatic substituent conventional for diazo components of disperse dyes which substituent is bound to a N-atom in the 1- or 2-position of the triazole nucleus through a carbon atom,

R₂ is an electron withdrawing or inductive group, and

K is a coupling component radical of the aniline series,

with the proviso that the molecule is free from cationic groups, sulphonic acid groups, metals and metallizable groups.

It will be appreciated that substituents or combinations thereof which are known to cause steric or stability problems, e.g. ##STR3## groupings, are not contained in the dye molecule.

The double bonds of the triazole ring are in the 2,3- and 4,5-positions when R₁ is in the 1-position and in the 3,4- and 1,5-positions when R₁ is in the 2-position.

Preferred aliphatic or aromatic substituents for R₁ are those of the alkyl, alkenyl or benzene series.

Preferably R₁ is R₁ ', where R₁ ' is hydrogen;

alkyl or alkyl monosubstituted by fluorine, bromine, chlorine, hydroxy, alkylcarbonyl, alkoxy, cyano, thiocyano, phenoxy, alkoxycarbonyl, phenoxycarbonyl, alkoxyethoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, phenylaminocarbonyl, N-alkyl-N-phenylaminocarbonyl, benzoyl, alkylcarbonyloxy, phenylsulphonyl, alkylsulphonyl, aminosulphonyl, alkylaminosulphonyl, dialkylaminosulphonyl, phenylaminosulphonyl, N-alkyl-N-phenylaminosulphonyl or phenyl which is unsubstituted or substituted by up to two substituents independently selected from chlorine, bromine, nitro, cyano, trifluoromethyl, alkyl and alkoxy;

alkenyl or alkenyl monosubstituted by chlorine, bromine or phenyl;

phenyl or phenyl substituted by a total of up to three substituents selected from alkyl, alkoxy, chlorine, bromine, nitro (up to three of each of these) cyano, trifluoromethyl, alkoxycarbonyl (up to two of each of these), formyl, alkylcarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylsulphonyl, phenylsulphonyl, aminosulphonyl, alkylaminosulphonyl, dialkylaminosulphonyl and phenylaminosulphonyl (up to one of each of these). Any alkyl or alkoxy moiety as R₁ ' or contained therein contains up to 4, preferably up to 2, carbon atoms and any alkenyl group contains from 2 to 4, preferably 3 or 4, carbon atoms.

More preferably R₁ is R₁ ", where R₁ " is hydrogen; (C₁₋₂)alkyl; (C₁₋₂)alkyl monosubstituted by chlorine, phenyl, mono- or dichlorophenyl, cyano, acetoxy, benzoyl, alkyl(C₁₋₂)carbonyl or aminocarbonyl; allyl; 3-chloroallyl;3-phenylallyl; phenyl; chlorophenyl or tolyl.

Most preferably R₁ is R₁ '", where R₁ '" is phenyl, chlorophenyl, benzyl, mono- or dichlorobenzyl or tolyl, with benzyl and mono- and dichlorobenzyl being especially preferred.

R₂ is preferably R₂ ', where R₂ ' is cyano, thiocyano,nitro, carboxyl, alkylcarbonyl, benzoyl, alkoxycarbonyl, alkoxyethoxycarbonyl, phenoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkylsulphonyl, phenylsulphonyl, aminosulphonyl, alkylaminosulphonyl, dialkylaminosulphonyl, phenylaminosulphonyl or phenylaminocarbonyl, any alkyl or alkoxy moiety in such substituents containing up to 4, preferably up to 2, carbon atoms.

More preferably R₂ is R₂ ", where R₂ " is cyano, nitro, carboxyl, acetyl, alkoxy(C₁₋₂)carbonyl, aminocarbonyl, thiocyano or methylsulphonyl.

Where a carboxyl group is present, this may be in free acid form or in the form of a salt of a non-chromophoric cation.

Most preferably R₂ is R₂ '", where R₂ '" is cyano, aminocarbonyl or alkoxy(C₁₋₂)carbonyl, with cyano being especially preferred.

Thus, preferred compounds of formula I are those wherein R₁ is R₁ ', preferably R₁ ", R₂, is R₂ ', preferably R₂ " and K is a coupling component of the aniline series.

Preferably K is K' where K' is ##STR4## in which each of R₃ and R₄, independently, is hydrogen; (C₁₋₈)alkyl; (C₁₋₈)alkyl monosubstituted by hydroxyl, chlorine, bromine, cyano, thiocyano, alkylcarbonyl, alkoxycarbonyl, formyloxy, alkylcarbonyloxy, chloro- or bromoalkylcarbonyloxy, alkoxycarbonyloxy, alkoxyalkoxycarbonyl,allyloxycarbonyl,chloro- or bromoallyloxycarbonyl, alkenyloxy, chloro- or bromoalkenyloxy, alkynyloxy, benzoyloxy, alkoxy, phenyl, phenoxy, phenylalkoxy, alkyl- or dialkylaminocarbonyl,alkyl- or dialkylaminocarbonyloxy, phenylaminocarbonyl, phenylaminocarbonyloxy, phthalimidyl, saccharinyl-2, pyridyl or benzothiazolyl-2-mercapto;

alkoxyalkyl in which the alkoxy is monosubstituted by hydroxyl, chlorine, bromine, cyano, alkoxy, alkoxycarbonyl, alkoxycarbonyloxy or alkylcarbonyloxy;

β-hydroxy- or β-alkylcarbonyloxy- γ-propynyloxy- or γ-allyloxy-propyl;

alkenyl or alkenyl monosubstituted by phenyl, chlorine or bromine;

alkynyl;

(C₅₋₇)cycloalkyl (preferably cyclohexyl) or (C₅₋₇)cycloalkyl (preferably cyclohexyl) substituted by up to three methyl groups; or

phenyl or phenyl substituted by up to three substituents independently selected from chlorine, bromine, methyl and (C₁₋₂)alkoxy, with the proviso that at least one of R₃ and R₄ is other than cycloalkyl, substituted cycloalkyl, phenyl or substituted phenyl and when R₃ is hydrogen, R₄ is other than hydrogen. The alkyl groups and alkoxy groups in substituents as R₃ and/or R₄ contain, unless otherwise stated, up to 4, preferably up to 2, carbon atoms, and the alkenyl and alkynyl groups 2 to 4, preferably 3 or 4, carbon atoms.

R₅ is hydrogen, chlorine, bromine, (C₁₋₂)alkyl, (C₁₋₂)alkoxy or phenoxy, and

R₆ is hydrogen; (C₁₋₂)alkyl; (C₁₋₂)alkoxy; cyano; formylamino; alkylcarbonylamino in which the alkyl group is unsubstituted or monosubstituted by hydroxyl, chlorine, bromine, alkoxy, phenyl or phenoxy;

benzoylamino; alkenylcarbonylamino; aminocarbonylamino; alkylaminocarbonylamino; alkoxycarbonylamino in which the alkoxy group is unsubstituted or monosubstituted by alkoxy or phenyl;

(C₁₋₂)alkyl- or phenylsulphonylamino; di-(C₁₋₂)alkylaminosulphonylamino; chlorine; bromine or phenoxy, with the proviso that when R₅ is chlorine, bromine or phenoxy R₆ is other than chlorine, bromine or phenoxy, the alkyl and alkoxy moieties in substituents as R₆, unless otherwise stated, contain up to 4, preferably up to 2, carbon atoms and the alkenyl moieties contain 2 to 4, preferably 2 or 3, carbon atoms.

Preferably, each of R₃ and R₄, independently, is R₃ ' and R₄ ', where each of R₃ ' and R₄ ', independently is hydrogen, (C-₁₋₄) alkyl or (C₁₋₄)alkyl monosubstituted by chlorine, hydroxyl, cyano, thiocyano, (C₁₋₂)alkylcarbonyl, formyloxy, alkyl(C₁₋₂)carbonyloxy, chloroalkyl (C₁₋₂)carbonyloxy, allyloxy, 3-chloro- or 3-bromoallyloxy,prop-2-ynyloxy, alkoxy(C₁₋₂)carbonyl, benzoyloxy, alkoxy(C₁₋₂)carbonyloxy, allyloxycarbonyl, chloroallyloxycarbonyl, methoxyethoxycarbonyl, phenylaminocarbonyloxy, (C₁₋₃)alkoxy, phenyl(C₁₋₂)alkoxy, (C₁₋₂)alkoxycarbonyl(C₁₋₂)alkoxy, chloroethoxy, cyano(C₁₋₂)alkoxy or diethylaminocarbonyl;

β-hydroxy-or β-acetoxy-γ-prop-2-ynyloxypropyl; allyl; 2-methylallyl; 3-chloroallyl; 3-phenylallyl; prop-2-ynyl; cyclohexyl, phenyl or benzyl, with the proviso that at least one of R₃ ' and R₄ ' is other than cyclohexyl, phenyl or benzyl and when R₃ ' is hydrogen, R₄ ' is other than hydrogen.

More preferably, each of R₃ and R₄, independently, is R₃ " and R₄ ", where each of R₃ " and R₄ ", independently, is (C₂₋₄)alkyl or (C₂₋₄)alkyl monosubstituted by chlorine, hydroxyl, (C₁₋₂)alkoxy, cyano(C₁₋₂)alkoxy, chloroethoxy, alkoxy(C₁₋₂) carbonylethoxy, allyloxy,prop-2-ynyloxy, phenylmethoxy, cyano, alkyl(C₁₋₂)carbonyloxy, alkoxy(C₁₋₂)carbonyl or alkoxy(C₁₋₂)carbonyloxy;

benzyl; allyl; 2-methylallyl;

3-chloroallyl; 3-phenylallyl or prop-2-ynyl; provided that R₃ " and R₄ " cannot both be benzyl.

Most preferably each of R₃ and R₄, independently, is R₃ '" and R₄ '", where each of R₃ '" and R₄ '", independently, is acetoxyethyl, allyloxyethyl,prop-2-ynyloxyethyl,β-acetoxypropyl, allyl, 2-methylallyl or phenylmethoxyethyl.

R₅ is preferably R₅ ', where R₅ ' is hydrogen, chlorine, methyl or (C₁₋₂)alkoxy. Most preferably R₅ is R₅ ", where R₅ " is hydrogen or (C₁₋₂)alkoxy, with hydrogen being especially preferred.

R₆ is preferably R₆ ', where R₆ ' is hydrogen, methyl, alkyl(C₁₋₂)carbonylamino, chloroalkyl(C₁₋₂)carbonylamino, benzoylamino,alkoxy(C₁₋₂)carbonylamino,alkoxy(C₁₋₂)ethoxycarbonylamino, methylsulphonylamino, dimethylaminosulphonylamino, crotonoylamino, aminocarbonylamino or ethylaminocarbonylamino. More preferably R₆ is R₆ ", where R₆ " is hydrogen, methyl or alkyl(C₁₋₂)carbonylamino, with acetylamino being especially preferred.

Thus, more preferred compounds of formula I are those wherein R₁ is R₁ ', R₂ is R₂ ' and K is K', especially those wherein R₃ is R₃ ', R₄ is R₄ ', R₅ is R₅ ' and R₆ is R₆ '.

Of these, those where R₁ is R₁ ", R₂ is R₂ ", R₃ is R₃ ", R₄ is R₄ ", R₅ is R₅ " and R₆ is R₆ " are even more preferred, especially those wherein R₁ is R₁ '", R₂ is R₂ '", R₃ is R₃ '" and R₄ is R₄ '", with those compounds wherein R₁ is benzyl or mono- or dichlorobenzyl, R₂ is cyano, each of R₃ and R₄, independently, is acetoxyethyl, allyloxyethyl, β-acetoxypropyl, allyl or 2-methylallyl, R₅ is hydrogen and R₆ is acetylamino being most preferred. Also preferred are the compounds of Formula I wherein R₁ is benzyl, chlorobenzyl or dichlorobenzyl, R₂ is cyano, R₃ and R₄ are independently R₃ " and R₄ ", with the proviso that at least one of them is other than benzyl, R₅ is hydrogen, and R₆ is acetamido. In the compounds of formula I and the preferred subclasses of such compounds preferably R₁ is bound to the 1-l -position of the triazole ring.

The present invention also provides a process for the production of compounds of formula I comprising coupling the diazotized amine of formula II, ##STR5## with a compound of formula III,

    H-K                                                        III

The coupling reaction as well as the diazotization of the amine of formula III may be carried out in accordance with known methods.

The compounds of formula II are either known or may be prepared in analogy with known methods. For example, those compounds wherein R₁ is in the 1-position of the triazole ring may be prepared in analogy with the procedures described by R. E. Hoover et al, J. Am. Chem. Soc. 78, 5832 (1956) and A. Albert, J. Chem. Soc. (C) 1970, 230. Those in which R₁ is in the 2-position may be prepared by nitrosating malononitrile and condensing the same with para-toluenesulphonic acid chloride to yield a compound of formula IV, ##STR6## followed by treating the compound of formula IV with the corresponding R₁ -substituted hydrazine with ring formation (e.g. with ethanol at the boil) to give the desired aminotriazole.2-Phenyldiazonium asubstituted phenyldiazonium chloride with malonic acid dinitrile, reaction with hydroxylaminochlorohydrate, condensation with para-toluenesulphonic acid chloride and acidification, preferably with concentrated hydrochloric acid, whereby ring closure by the splitting off of para-toluenesulfonic acid occurs to yield the desired aminotriazole.

The compounds of formula III are known or may be prepared in accordance with known methods from available starting materials.

The compounds of formula I are useful as disperse dyes for exhaust dyeing, pad dyeing or printing, from aqueous suspensions, textile substrates consisting of or comprising synthetic or semi-synthetic, hydrophobic, high molecular weight organic materials. Preferred substrates are those which consist of or comprise linear, aromatic polyesters, cellulose-21/2-acetate, cellulose triacetate or synthetic polyamides.

The dyestuffs of the invention display good build-up and exhaust upon the above substrates and give dyeings having notable fastness properties, for example fastness to light, washing, rubbing, permanent-press finishing, sublimation, dry cleaning and sea water.

The compounds of formula I may be made up into dyeing preparations in accordance with known methods, for example by grinding in the presence of dispersing agents and/or fillers with optional drying in vacuo or spray drying. After the addition of water, the preparations can be used for dyeing from a long or short bath.

Dyeing and printing may be carried out in accordance with known methods, for examples as described in French Pat. No. 1,445,371.

The following Examples further serve to illustrate the invention. In the Examples all parts are by weight and all temperatures in degrees centigrade.

EXAMPLE 1

Preparation of the dyestuff of the formula ##STR7##

20 Parts of 5-amino-1-benzyl-4-cyano-1,2,3-triazole are slowly added at 0°-5° to a mixture of 107 parts nitrosylsulphuric acid (prepared by dissolving 7 parts sodium nitrite in 100 parts concentrated sulphuric acid), 85 parts glacial acetic acid and 15 parts propionic acid. The mixture obtained is mixed at 0°-5° with a mixture of 85 parts glacial acetic acid and 15 parts propionic acid and the whole is stirred at 0°-5° for 3 hours. Subsequently, a solution of 34 parts 1-propionylamino-3-(N,N-di-β-acetoxyethyl)aminobenzene in 85 parts glacial acetic acid and 15 parts propionic acid is added dropwise thereto and the resulting mixture is stirred for 3 hours at 0°-5°. The reaction mixture is then poured, with stirring, onto a 600 parts ice and 300 parts water mixture whereby the dyestuff precipitates. The dye is filtered, washed free of acid and salt with water and dried. The dyestuff obtained dyes synthetic fibres in red shades.

Preparation of 5-amino-1-benzyl-4-cyano-1,2,3-triazole

13.3 Parts benzylazide are added dropwise at room temperature to a suspension of 6.8 parts sodium ethoxide and 8.4 parts cyanoacetamide in 250 parts absolute alcohol. After the addition is complete the reaction mixture is stirred for 11/2 hours at boiling temperature, cooled to room temperature, filtered, washed with water and dried in a vacuum.

11 Parts of the 5-amino-1-benzyl-4-carbamoyl-1,2,3-triazole obtained are suspended in 50 parts dimethylformamide. At 0°, 15.3 parts phosphorus oxychloride are added dropwise thereto and the mixture is stirred for 15 minutes at room temperature and 15 minutes at 80°. After cooling to 25°, 50 parts 1 N hydrochloric acid are added thereto and the whole is heated to 100° for approximately 5 minutes. On cooling to room temperature the desired product precipitates which is then filtered and dried.

Further dyes according to the present invention, which may be prepared in analogy with the procedure described in Example 1, are given in the following Table 1. The dye shade on polyester is also indicated.

    TABLE 1       ##STR8##        Example       Shade on No. R.sub.1 R.sub.2 R.sub.3 R.sub.4 R.sub.5      R.sub.6 polyester fibers        2 CH.sub.2C.sub.6 H.sub.5 CN C.sub.2 H.sub.4 OCOCH.sub.3 C.sub.2      H.sub.4 OCOCH.sub.3 H NHCOCH.sub.3 red 3 " " " C.sub.2 H.sub.4 CN H "      scarlet 4 " " CH.sub.2 CHCHCl " H " " 5 C.sub.6 H.sub.5 " C.sub.2      H.sub.4 OCOCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3 H NHCOC.sub.2 H.sub.5      red 6 " "  CH.sub.2 CHCHCl C.sub.2 H.sub.4 CN H NHCOCH.sub.3 " 7 " "      C.sub.2 H.sub.4 OCOCH.sub.3 " H " "       8      ##STR9##       " " C.sub.2 H.sub.4 OCOCH.sub.3 H NHCOC.sub.2 H.sub.5 "  9 " " " " H      NHCOCH.sub.3 "       10      ##STR10##       " " " H NHCOC.sub.2 H.sub.5 "  11 C.sub.6 H.sub.5 CO.sub.2 CH.sub.3 " " O      C.sub.2 H.sub.5 NHCOCH.sub.3 " 12 CH.sub.2C.sub.6 H.sub.5 CO.sub.2      C.sub.2 H.sub.5 " " " " " 13 " CN C.sub.2 H.sub.4 CO.sub.2 C.sub.2      H.sub.5 C.sub.2 H.sub.4 CO.sub.2 C.sub.2 H.sub.5 H NHCOCH.sub.3 " 14      C.sub.6 H.sub.5 " " " H " "       15      ##STR11##       " C.sub.2 H.sub.4 OCOCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3 H NHCOC.sub.2      H.sub.5 "       16      ##STR12##       " " " H " "  17 CH.sub.2 C.sub.6 H.sub.5 " C.sub.2 H.sub.4 OCO.sub.2      CH.sub.3 C.sub.2 H.sub.4 OCO.sub.2 CH.sub.3 H " " 18 C.sub.6 H.sub.5 " "      " H " " 19 " " CH.sub.2 CHCHCl CH.sub.2 CHCHCl H NHCOCH.sub.3 " 20 " "      CH.sub.2 CHCH.sub.2 C.sub.2 H.sub.4       CN H CH.sub.3 scarlet 21 CH.sub.2C.sub.6 H.sub.5 " " " H NHCOCH.sub.3      red 22 " " " CH.sub.2 CHCH.sub.2 H " " 23 C.sub.6 H.sub.5 " C.sub.2      H.sub.4 Cl C.sub.2 H.sub.4 Cl H " " 24 " " C.sub.2 H.sub.4 OCOCH.sub.3      C.sub.2 H.sub.4 OCOCH.sub.3 OC.sub.2 H.sub.5 " violet 25 " " " C.sub.2      H.sub.4 CN H H scarlet 26 CH.sub.2 C.sub.6 H.sub.5 " " " H H orange 27      C.sub.6 H.sub.4m-CH.sub.3 " " " H NHCOCH.sub.3 red 28 C.sub.6       H.sub.4p-CH.sub.3 " " C.sub.2 H.sub.4 OCOCH.sub.3 H " " 29 C.sub.6      H.sub.5 CO.sub.2 CH.sub.3 " C.sub.2 H.sub.4 CN H " scarlet 30 CH.sub.2      C.sub.6 H.sub.5 " CH.sub.2 CHCHCl " H " orange 31 " CN C.sub.2 H.sub.4      OCONHC.sub.6 H.sub.5 " H NHCOCH.sub.3 red 32 C.sub.6 H.sub.5 " " " H " "      33 " " C.sub.2 H.sub.4 OCOC.sub.6 H.sub.5 " H " " 34 CH.sub.2 C.sub.6      H.sub.5 " C.sub.2 H.sub.5 C.sub.2 H.sub.5 H NHCOCH.sub.3 rubine 35 " "      C.sub.2 H.sub.4 CN C.sub.2 H.sub.4 OC.sub.6 H.sub.5H " red 36 C.sub.6      H.sub.5 " " CH.sub.2 C.sub.6 H.sub.5  " " 37 CH.sub.2 C.sub.6 H.sub.5 "      CH.sub.2 CHCHCl " H " " 38 " " C.sub.2 H.sub.4 CN C.sub.2 H.sub.4      OCOCH.sub.2 CH.sub.2 Cl H " " 39 C.sub.6 H.sub.5 " C.sub.2 H.sub.4      OCOCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3 H NHCOCH.sub.2 CH.sub.2 Cl "  40      "  " " CH.sub.2       CHCH.sub.2 H      ##STR13##       "       41      ##STR14##       " " C.sub.2 H.sub.4 OCOCH.sub.3H NHSO.sub.2 CH.sub.3 "  42 " " " " H      NHCOC.sub.6 H.sub.5 " 43 C.sub.6 H.sub.5 " C.sub.2 H.sub.4 SCN C.sub.2      H.sub.4 SCN H NHCOCH.sub.3 "  44 " " C.sub.2       H.sub.5      ##STR15##       H " rubine  45 CH.sub.2 C.sub.6       H.sub.5 " "      ##STR16##       H " red  46 C.sub.6 H.sub.5 " C.sub.2 H.sub.4 OCOCH.sub.3 C.sub.2      H.sub.4 OCOCH.sub.3 H NHCO.sub.2 CH.sub.3 " 47 " " C.sub.2 H.sub.4 CN "      H NHCOOC.sub.2 H.sub.4 OCH.sub.3 " 48 " " C.sub.2 H.sub.4 OCOCH.sub.3 "      CH.sub.3 NHCOCH.sub.3 " 49 " " " " Cl " "  50 CH.sub.2 C.sub.6 H.sub.5 "       ##STR17##       ##STR18##       H " "       51      ##STR19##       " " " H " "  52 C.sub.6 H.sub.5 " " " H " "       53      ##STR20##       " " " H " "  54 " " CH.sub.2 CHCH.sub.2 CH.sub. 2 CHCH.sub.2 H " "  55       ##STR21##       " " " H " "  56 CH.sub.2 C.sub.6 H.sub.5 " CH.sub.2 C.sub.6 H.sub.5      CH.sub.2 C.sub.6 H.sub.5 H " "       57 " "      ##STR22##       ##STR23##       H NHCONH.sub.2 "  58 " " CH.sub.2 CHCH.sub.2 CH.sub.2 CHCH.sub.2 H      NHCONHC.sub.2 H.sub.5 " 59 " CONH.sub.2 C.sub.2 H.sub.4 OCOCH.sub.3      C.sub.2 H.sub.4 OCOCH.sub.3 OC.sub.2 H.sub.5 NHCOCH.sub.3 " 60 " CN " "      " " rubine 61 " " C.sub.2 H.sub.4 OH C.sub.2 H.sub.4 CN H " red 62 " " " C      .sub. 2 H.sub.4 OH H NHCOC.sub.2 H.sub.5 " 63 " " " C.sub.2 H.sub.4      OCOCH.sub.3 H " " 64 " CONH.sub.2 " C.sub.2 H.sub.4 OH H " " 65 " CN      C.sub.2 H.sub.4 OCH.sub.2 CO.sub.2 CH.sub.3 C.sub.2 H.sub.4 OCH.sub.2      CO.sub.2 CH.sub.3 H NHCOC.sub.2 H.sub.5 " 66 " " C.sub.2 H.sub.4      OCH.sub.2 CN C.sub.2 H.sub.4 OCH.sub.2 CN H " " 67 " " CH.sub.2       CH(CH.sub.3)OCOCH.sub.3 CH.sub.2 CH(CH.sub.3)OCOCH.sub.3 H " " 68 " "      C.sub.2 H.sub.4 OCH.sub.2 CH.sub.2 CN C.sub.2 H.sub.4 OCH.sub.2 CH.sub.2      CN H " " 69 " " C.sub.2 H.sub.4 OC.sub.2 H.sub.4 CO.sub.2 CH.sub.3      C.sub.2 H.sub.4 OC.sub.2 H.sub.4 CO.sub.2 CH.sub.3 H " " 70 " " C.sub.2      H.sub.4 OC.sub.2 H.sub.4 Cl C.sub.2 H.sub.4 OC.sub.2 H.sub.4 Cl H " "      71 " " C.sub.2 H.sub.4 OCOCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3 H       ##STR24##       "  72 " " CH.sub.2 CHCH.sub.2 CH.sub.2 CHCH.sub.2 H " " 73 " " " " H      NHCOCHCHCH.sub.3 " 74 " " C.sub.2 H.sub.4 CN CH.sub.2 CCH H NHCOCH.sub.3      orange 75 " " " CH.sub.2 COOC.sub.2 H.sub.5 H " " 76 " " C.sub.2 H.sub.4      CON(C.sub.2 H.sub.5).sub.2 C.sub.2 H.sub.5 H " red 77 " " C.sub.2      H.sub.4 OCHO " H " " 78 " "  CH.sub.2 CHCHC.sub.6 H.sub.5 CH.sub.2      CHCHC.sub.6 H.sub.5 H " " 79 " " C.sub.6 H.sub.11 C.sub.2 H.sub.4 CN H "      " 80 " " C.sub.6 H.sub.5 " H H scarlet       81 " "      ##STR25##       ##STR26##       H NHCOCH.sub.3 red  82 " " n-C.sub.4 H.sub.8 OCOCH.sub.3 n-C.sub.4      H.sub.8 OCOCH.sub.3 H " " 83 " " n-C.sub.3 H.sub.6 OCOCH.sub.3 n-C.sub.3      H.sub.6 OCOCH.sub.3 H NHCOCH.sub.3 " 84 " " n-C.sub.4 H.sub.8 CN      n-C.sub.4 H.sub.8 CN H " " 85 " " n-C.sub.3 H.sub.6 CN n-C.sub.3 H.sub.6      CN H " " 86 " COCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3 C.sub.2 H.sub.4      OCOCH.sub.3 H "  orange 87 " COOH " " H " " 88 " NO.sub.2 " " H " red 89      " SO.sub.2 CH.sub.3 " " H " scarlet 90 CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 C      N " " H " red 91 CH.sub.2 CN " " " H " " 92 H " " " H " " 93 CH.sub.2      CONH.sub.2 " " " H " " 94 CH.sub.2 CH.sub.2 CN " " " H " " 95 CH.sub.2      CH.sub.2 CO.sub.2 CH.sub.3 " " " H " " 96 CH.sub.2 CH.sub.2 OCOCH.sub.3      " " " H " " 97 CH.sub.2 COC.sub.6 H.sub.5 " " " H " " 98 CH.sub.2      CH.sub.2 Cl " " " H " " 99 CH.sub.2 CHCHCl " " " H " " 100 CH.sub.2      CHCHC.sub.6 H.sub.5 " " " H " " 101 CH.sub.2 C.sub.6 H.sub.5 " C.sub.2      H.sub.4 OCOC.sub.2 H.sub.5 C.sub.2 H.sub.4 OCOC.sub.2 H.sub.5 H H      scarlet 102 " " " " H NHCOC.sub.2 H.sub.5 red 103 " " C.sub.2 H.sub.4      CO.sub.2 CH.sub.3 C.sub.2 H.sub.4 CO.sub.2 CH.sub.3 H " " 104 " "      C.sub.2 H.sub.4 OCHO C.sub.2 H.sub.4 OCHO H " " 105 " " CH.sub.2      CO.sub.2 CH.sub.3 CH.sub.2 CO.sub.2 CH.sub.3 H NHCOCH.sub.3 " 106 " "      CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 H "      " 107 " "  CH.sub.2 CHCH.sub.2 CH.sub.2 CHCH.sub.2 H CH.sub.3 scarlet      108 " " " " H H " 109 " " C.sub.2 H.sub.5 C.sub.2 H.sub.4 CN H CH.sub.3      " 110 " " C.sub.2 H.sub.4 OCOCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3      OCH.sub.3 NHCOCH.sub.3 rubine 111 " " " " H NHCO.sub.2 C.sub.2 H.sub.4      OC.sub.2 H.sub.5 red 112 " " " " H NHCOCH.sub.2 Cl " 113 " " C.sub.2      H.sub.4 CO.sub.2 CH.sub.2 CHCH.sub.2 C.sub.2 H.sub.4 CO.sub.2 CH.sub.2   C      CHH.sub.2 H NHCOCH.sub.3 " 114 " " C.sub.2 H.sub.4 CO.sub.2 CH.sub.2      CHCHCl C.sub.2 H.sub.4 CO.sub.2 CH.sub.2 CHCHCl H " "       115 " "      ##STR27##       H H " "       116 " "      ##STR28##       H H " "  117 " " CH.sub.2 CCH CH.sub.2 CCH H " orange 118 " " C.sub.6      H.sub.5 H H H red 119 " " C.sub.2 H.sub.4 OC.sub.2 H.sub.5 C.sub.2      H.sub.4 OC.sub.2 H.sub.5 H " " 120 " " C.sub.2 H.sub.4 OC.sub.3 H.sub.7      n C.sub.2 H.sub.4 OC.sub.3 H.sub.7 n H NHCOC.sub.2 H.sub.5 " 121 " "      C.sub.2 H.sub.4 OCH.sub.3 C.sub.2 H.sub.4 OCH.sub.3 H " " 122 " "      C.sub.2 H.sub. 4 CO.sub.2 C.sub.2 H.sub.4 OCH.sub.3 C.sub.2 H.sub.4      CO.sub.2 C.sub.2 H.sub.4 OCH.sub.3 H NHCOCH.sub.3 " 123 " " C.sub.2      H.sub.4 OCOCH.sub.3 C.sub.2 H.sub.4 OCOCH.sub.3 H NHSO.sub.2       N(CH.sub.3).sub.2 " 124 " " C.sub.2 H.sub.4 OCO.sub.2 C.sub.2 H.sub.5      C.sub.2 H.sub.4 OCO.sub.2 C.sub.2 H.sub.5 H NHCOCH.sub.3 " 125 " "      CH.sub.2 CHCHCl CH.sub.2 CHCHCl OC.sub.2 H.sub.5 " " 126 " " CH.sub.2      CCH CH.sub.2 CCH " " " 127 " " CH.sub.2 CH.sub.2 OCOCH.sub.3 CH.sub.2      CH.sub.2 OCOCH.sub.3 H NHCOOCH.sub.3 " 128 " " CH.sub.2 CH.sub.2      OCOC.sub.2 H.sub.5 CH.sub.2 CH.sub.2 OCOC.sub.2 H.sub. 5 H NHCOOC.sub.2      H.sub.5 "       129      ##STR29##       " CH.sub.2 CH.sub.2 OCOCH.sub.3 CH.sub.2 CH.sub.2 OCOCH.sub.3 H      NHCOCH.sub.3 "       130      ##STR30##       " " " H " "       131 " "      ##STR31##       ##STR32##       H " "  132 CH.sub.2 C.sub.6 H.sub.5 " CH.sub.2 CH.sub.2 CN CH.sub.2      CH.sub.2 OCOCH.sub.3 OC.sub.2 H.sub.5 " " 133 " " " CH.sub.2CCH " " "      134 " " " CH.sub.2 CHCHCl " " " 135 " " " CH.sub.2 CHCH.sub.2 " " " 136      " " C.sub.2 H.sub.5 C.sub.2 H.sub.4 OCONHC.sub.6 H.sub.5 H CH.sub.3 "      137 " " " " " H " 138 " " " C.sub.2 H.sub.4OC.sub.6 H.sub.5 " " " 139 "      " " C.sub.2 H.sub.4 CN " NHCOCH.sub.3 " 140 " " " CH.sub.2 CCH " " " 141      " " " CH.sub.2 CHCHCl " " " 142 " " " CH.sub.2 CHCH.sub.2 " " " 143 " "      " CH.sub.2 C.sub.6 H.sub.5 " " " 144 " " " C.sub.2 H.sub.4 OCOCH.sub.3 "      " " 145 " " " C.sub.2 H.sub.4 OCONHC.sub.2 H.sub.5 "  " " 146 " " "      CH.sub.2 CO.sub.2 C.sub.2 H.sub.5 " " " 147 " " " C.sub.2 H.sub.4      CO.sub.2 CH.sub.3 " " " 148 " " " C.sub.2 H.sub.4 OCO.sub.2 CH.sub.3 " "      " 149 " " C.sub.2 H.sub.4 OCH.sub.2 CHCH.sub.2 C.sub.2 H.sub.4 OCH.sub.2      CHCH.sub.2 " " "       150      ##STR33##       " " " " " "       151      ##STR34##       " " " " " "  152 CH.sub.2 C.sub.6 H.sub.5 " C.sub.2 H.sub.4 OCH.sub.2   C      CHHCl C.sub.2 H.sub.4 OCH.sub.2 CHCHCl " " " 153 " " C.sub.2 H.sub.4      OCH.sub.2C.sub.6 H.sub.5 C.sub.2 H.sub.4 OCH.sub.2 C.sub.6 H.sub.5 " " "      154 " " " C.sub.2 H.sub.4 OCH.sub.2 CHCH.sub.2 " " " 155 " " C.sub.2      H.sub.5 " " " " 156 " " C.sub.2 H.sub.4 OCH.sub.2 CHCH.sub.2 " " H      scarlet 157 " " " " " CH.sub.3 red 158 " " C.sub.2 H.sub.4 OCH.sub.2      C.sub.6 H.sub.5 C.sub.2 H.sub.4 OCH.sub.2 C.sub.6 H.sub.5 " " " 159 " "      C.sub.2 H.sub.5 " " NHCOCH.sub.3 " 160 " " " C.sub.2 H.sub.4 OCH.sub.2   C      CHH.sub.2 " CH.sub.3 " 161 " " " C.sub.2 H.sub.4 OCH.sub.2 C.sub.6      H.sub.5 " " " 162 " " " " " H " 163 CH.sub.2 C.sub.6 H.sub.4p-Cl " "      C.sub.2 H.sub.4 OCH.sub.2 CHCH.sub.2 " CH.sub.3 " 164 CH.sub.2 C.sub.6      H.sub.5 " C.sub.2 H.sub.4 OCH.sub.2 CCH C.sub.2 H.sub.4 OCH.sub.2 CCH H      NHCOCH.sub.3 " 165 " " " " H CH.sub.3 scarlet 166 " " C.sub.2 H.sub.4      OCOCH.sub.3 " " NHCOCH.sub.3 red 167 " " C.sub.2 H.sub.5 " H CH.sub.3 "      168 " " " " " NHCOCH.sub.3 " 169 " " C.sub.2 H.sub.4 CN " " " " 170 " "      " C.sub. 2 H.sub.4 OCH.sub.2 CHCH.sub.2 " " " 171 " " " C.sub.2 H.sub.4      OCH.sub.2 C.sub.6 H.sub.5 " " " 172 " " " " " CH.sub.3 orange 173 " " "      C.sub.2 H.sub.4 OCH.sub.2 CHCH.sub.2 " " " 174 " " " " " H " 175 " "      C.sub.2 H.sub.4 OCOCH.sub.3 " " NHCOCH.sub.3 red 176 " " " " " CH.sub.3      scarlet 177 " " C.sub.2 H.sub.4 CO.sub.2 C.sub.2       H.sub.5 " " NHCOCH.sub.3 red 178 " " " " " CH.sub.3 scarlet 179 " " "      C.sub.2 H.sub.4 OCH.sub.2 C.sub.6 H.sub.5 " " scarlet 180 " " " " "      NHCOCH.sub. 3 red 181 " " C.sub.2 H.sub.4 OCOCH.sub.3 " " " " 182 " " "      " " CH.sub.3 scarlet       183      ##STR35##       " CH.sub.2 CHCH.sub.2 CH.sub.2 CHCH.sub.2 " NHCOCH.sub.3 red  184 " "      C.sub.2 H.sub.4 OCH.sub.2 CHCH.sub.2 C.sub.2 H.sub.4 OCH.sub.2 C.sub.6      H.sub.5 " " red 185 CH.sub.2 C.sub.6 H.sub.5 SCN " C.sub.2 H.sub.4      OCH.sub.2       CHCH.sub.2 " " "

EXAMPLE 186:

Preparation of the dyestuff of the formula ##STR36##

18.5 Parts 2-phenyl-4-cyano-5-amino-1,2,3-triazole are diazotized and coupled with 34 parts 1-propionylamino-3,N,N-(di-β-acetoxyethyl)aminobenzene in analogy with the procedure described in Example 1 and the dye obtained is isolated as described in Example 1.

Preparation of 2-phenyl-4-cyano-5-amino-1,2,3-triazole

20 Parts phenylazo-malonic dinitrile prepared by coupling phenyldiazonium chloride with malononitrile and 12.5 parts hydroxylaminochlorohydrate are suspended in 100 parts pyridine. 33.7 parts para-toluenesulfonic acid chloride are added thereto with ice cooling and stirred at room temperature from 5 hours. Then the mixture is adjusted with concentrated hydrochloric acid, extracted with 100 parts methylene chloride and the organic phase dried with the solvent being separated by distillation. The aminotriazole product is recrystallized from a methanol/water mixture.

In the following Table 2, further dyestuffs of the invention, which may be prepared in analogy with the procedure of Example 183, are given.

                                      TABLE 2     __________________________________________________________________________      The dyes corresponding to the general formula:      ##STR37##     Example                            Shade on     No.  R.sub.1                 R.sub.2                     R.sub.3   R.sub.4  polyester     __________________________________________________________________________     187  C.sub.6 H.sub.5                 CN  C.sub.2 H.sub.4 OCOCH.sub.3                               C.sub.2 H.sub.4 OCOCH.sub.3                                        red     188  "      "   "         C.sub.2 H.sub.4 CN                                        "     189  "      "   CH.sub.2 CHCHCl                               "        "     190           ##STR38##                 "   "         "        "     191           ##STR39##                 "   C.sub.2 H.sub.4 OCOCH.sub.3                               C.sub.2 H.sub.4 OCOCH.sub.3                                        "     192   CH.sub.3                 "   "         "        "     __________________________________________________________________________

Application Example

7 Parts of the dyestuff of Example 1 are ground for 48 hours to a fine powder in a ball mill with 4 parts sodium dinaphthylmethanedisulphonate, 4 parts sodium acetylsulphate and 5 parts of anhydrous sodium sulphate.

1 Part of the so obtained dyestuff preparation is made into a paste with a little water and the suspension is added through a sieve to a dyebath of 4000 parts water containing 3 parts sodium laurylsulfate. 100 Parts of scoured polyester fibres are added to the bath (liquor ratio 1:40) at 40°-50° C. and then 20 parts of chlorinated benzene emulsified in water are added. The bath is heated slowly to 100° and dyeing is conducted for 1 to 2 hours at 95°-100°. The red dyed fibres are washed in water, soaped, washed again and dried. An even dyeing is obtained.

The dyes of Examples 2 to 192 may be employed in analogy with the above procedure for dyeing polyester fibres. 

What is claimed is:
 1. A compound of the formula ##STR40## wherein R₁ ' is hydrogen; C₁₋₄ alkyl; C₁₋₄ alkyl monosubstituted by fluoro, bromo, chloro, hydroxy, (C₁₋₄ alkyl)carbonyl, C₁₋₄ alkoxy, cyano, thiocyano, phenoxy, (C₁₋₄ alkoxy)carbonyl, phenoxycarbonyl, (C₁₋₄ alkoxy)ethoxycarbonyl, carbamoyl, (C₁₋₄ alkyl)carbamoyl, di-(C₁₋₄ alkyl)carbamoyl, phenylcarbamoyl, N-C₁₋₄ alkyl-N-phenylcarbamoyl, benzoyl, (C₁₋₄ alkyl)carbonyloxy, phenylsulfonyl, C₁₋₄ alkylsulfonyl, sulfamoyl, C₁₋₄ alkylsulfamoyl, di-C₁₋₄ alkylsulfamoyl, phenylsulfamoyl, N-C₁₋₄ alkyl-N-phenylsulfamoyl, phenyl or substituted phenyl having 1 or 2 substituents each of which is independently chloro, bromo, nitro, cyano, trifluoromethyl, C₁₋₄ alkyl or C₁₋₄ alkoxy; C₂₋₄ alkenyl; C₂₋₄ alkenyl monosubstituted by chloro, bromo or phenyl; phenyl or substituted phenyl having 1 to 3 substituents each of which is independently C₁₋₄ alkyl, C₁₋₄ alkoxy, chloro, bromo, nitro, cyano (maximum of two), trifluoromethyl (maximum of two), (C₁₋₄ alkoxy)carbonyl (maximum of two), formyl (maximum of one), (C₁₋₄ alkyl)carbonyl (maximum of one), carbamoyl (maximum of one), (C₁₋₄ alkyl)carbamoyl (maximum of one), di-(C₁₋₄ alkyl)carbamoyl (maximum of one), C₁₋₄ alkylsulfonyl (maximum of one), phenylsulfonyl (maximum of one), sulfamoyl (maximum of one), C₁₋₄ alkylsulfamoyl (maximum of one), di-C₁₋₄ alkylsulfamoyl (maximum of one) or phenylsulfamoyl (maximum of one),R₂ ' is cyano, thiocyano, nitro, --COOM, (C₁₋₄ alkyl)carbonyl, benzoyl, (C₁₋₄ alkoxy)carbonyl, (C₁₋₄ alkoxy)ethoxycarbonyl, phenoxycarbonyl, carbamoyl, (C₁₋₄ alkyl)carbamoyl, di-(C₁₋₄ alkyl)carbamoyl, phenylcarbamoyl, C₁₋₄ alkylsulfonyl, phenylsulfonyl, sulfamoyl, C₁₋₄ alkylsulfamoyl, di-C₁₋₄ alkylsulfamoyl or phenylsulfamoyl, wherein M is hydrogen or a non-chromophoric cation, each of R₃ and R₄ is independently hydrogen; C₁₋₈ alkyl; C₁₋₈ alkyl monosubstituted by hydroxy, chloro, bromo, cyano, thiocyano, (C₁₋₄ alkyl)carbonyl, (C₁₋₄ alkoxy)carbonyl, formyloxy, (C₁₋₄ alkyl)carbonyloxy, (C₁₋₄ chloroalkyl)carbonyloxy, (C₁₋₄ bromoalkyl)carbonyloxy, (C₁₋₄ alkoxy)carbonyloxy, (C₁₋₄ alkoxy)(C₁₋₄ alkoxy)carbonyl, allyloxycarbonyl, chloroallyloxycarbonyl, bromoallyloxycarbonyl, C₂₋₄ alkenyloxy, C₂₋₄ chloroalkenyloxy, C₂₋₄ bromoalkenyloxy, C₂₋₄ alkynyloxy, benzoyloxy, C₁₋₄ alkoxy, phenyl, phenoxy, phenyl(C₁₋₄ alkoxy), (C₁₋₄ alkyl)carbamoyl, di-(C₁₋₄ alkyl)carbamoyl, (C₁₋₄ alkyl)carbamoyloxy, di-(C₁₋₄ alkyl)carbamoyloxy, phenylcarbamoyl, phenylcarbamoyloxy, phthalimidyl, saccharinyl-2, pyridyl or benzothiazolyl-2-mercapto; (C₁₋₄ -alkoxy)C₁₋₄ alkyl the C₁₋₄ alkoxy moiety of which is monosubstituted by hydroxy, chloro, bromo, cyano, C₁₋₄ alkoxy, (C₁₋₄ alkoxy)carbonyl, (C₁₋₄ alkoxy)carbonyloxy or (C₁₋₄ alkyl)carbonyloxy; 2-hydroxy-3-propynyloxypropyl; 2-(C₁₋₄ alkyl)carbonyloxy-3-propynyloxypropyl; 2-hydroxy-3-allyloxypropyl; 2-(C₁₋₄ alkyl)carbonyloxy-3-allyloxypropyl; C₂₋₄ alkenyl; C₂₋₄ alkenyl monosubstituted by phenyl, chloro or bromo; C₂₋₄ alkynyl; C₅₋₇ cycloalkyl; C₅₋₇ cycloalkyl substituted by 1 to 3 methyl groups; phenyl or substituted phenyl having 1 to 3 substituents each of which is independently chloro, bromo, methyl or C₁₋₂ alkoxy, with the provisos that at least one of R₃ and R₄ is other than C₅₋₇ cycloalkyl, C₅₋₇ cycloalkyl substituted by 1 to 3 methyl groups, phenyl or substituted phenyl and that at least one of R₃ and R₄ is other than hydrogen, R₅ is hydrogen, chloro, bromo, C₁₋₂ alkyl, C₁₋₂ alkoxy or phenoxy, and R₆ is hydrogen; C₁₋₂ alkyl; C₁₋₂ alkoxy; cyano; formamido; (C₁₋₄ alkyl)carbonylamino; (C₁₋₄ alkyl)carbonylamino the C₁₋₄ alkyl moiety of which is monosubstituted by hydroxy, chloro, bromo, C₁₋₄ alkoxy, phenyl or phenoxy; benzamido; (C₂₋₄ alkenyl)carbonylamino; aminocarbonylamino; (C₁₋₄ alkyl)aminocarbonylamino; (C₁₋₄ alkoxy)carbonylamino; (C₁₋₄ alkoxy)carbonylamino the C₁₋₄ alkoxy moiety of which is monosubstituted by C₁₋₄ alkoxy or phenyl; C₁₋₂ alkylsulfonylamino; phenylsulfonylamino; di-C₁₋₂ alkylaminosulfonylamino; chloro; bromo or phenoxy, with the proviso that R₆ is other than chloro, bromo or phenoxy when R₅ is chloro, bromo or phenoxy,with the proviso that the molecule is free of metallizable groups and ##STR41## radicals.
 2. A compound according to claim 1 wherein R₁ ' is hydrogen; C₁₋₂ alkyl; C₁₋₂ alkyl monosubstituted by chloro, phenyl, chlorophenyl, dichlorophenyl, cyano, acetoxy, benzoyl, (C₁₋₂ alkyl)carbonyl or carbamoyl; allyl; 3-chloroallyl; 3-phenylallyl; phenyl; chlorophenyl or tolyl.
 3. A compound according to claim 1 wherein R₂ ' is cyano, nitro, --COOM, acetyl, (C₁₋₂ alkoxy)carbonyl, carbamoyl, thiocyano or methylsulfonyl, wherein M is hydrogen or a non-chromophoric cation.
 4. A compound according to claim 1 wherein each of R₃ and R₄ is independently hydrogen; C₁₋₄ alkyl; C₁₋₄ alkyl monosubstituted by chloro, hydroxy, cyano, thiocyano, (C₁₋₂ alkyl)carbonyl, formyloxy, (C₁₋₂ alkyl)carbonyloxy, (C₁₋₂ chloroalkyl)carbonyloxy, allyloxy, 3-chloroallyloxy, 3-bromoallyloxy, prop-2-ynyloxy, (C₁₋₂ alkoxy)carbonyl, benzoyloxy, (C₁₋₂ alkoxy)carbonyloxy, allyloxycarbonyl, chloroallyloxycarbonyl, methoxyethoxycarbonyl, phenylcarbamoyloxy, C₁₋₃ alkoxy, phenyl(C₁₋₂ alkoxy), (C₁₋₂ alkoxy)carbonyl(C₁₋₂ alkoxy), chloroethoxy, cyano(C₁₋₂ alkoxy) or diethylcarbamoyl; 2-hydroxy-3-prop-2-ynyloxypropyl; 2-acetoxy-3-prop-2-ynyloxypropyl; allyl; 2-methylallyl; 3-chloroallyl; 3-phenylallyl; prop-2-ynyl; cylcohexyl; phenyl or benzyl, with the provisos that at least one of R₃ and R₄ is other than cyclohexyl, phenyl or benzyl and at least one of R₃ and R₄ is other than hydrogen.
 5. A compound according to claim 1 wherein R₅ is hydrogen, chloro, methyl or C₁₋₂ alkoxy, and R₆ is hydrogen, methyl, (C₁₋₂ alkyl)carbonylamino, (C₁₋₂ chloroalkyl)carbonylamino, benzamido, (C₁₋₂ alkoxy)carbonylamino, (C₁₋₂ alkoxy)ethoxycarbonylamino, methylsulfonylamino, dimethylaminosulfonylamino, crotonoylamino, aminocarbonylamino or ethylaminocarbonylamino.
 6. A compound according to claim 1 wherein R₅ is hydrogen, chloro, methyl or C₁₋₂ alkoxy.
 7. A compound according to claim 1 wherein R₆ is hydrogen, methyl, (C₁₋₂ alkyl)carbonylamino, (C₁₋₂ chloroalkyl)carbonylamino, benzamido, (C₁₋₂ alkoxy)carbonylamino, (C₁₋₂ alkoxy)ethoxycarbonylamino, methylsulfonylamino, dimethylaminosulfonylamino, crotonoylamino, aminocarbonylamino or ethylaminocarbonylamino.
 8. A compound according to claim 1 whereinR₁ ' is hydrogen; C₁₋₂ alkyl; C₁₋₂ alkyl monosubstituted by chloro, phenyl, chlorophenyl, dichlorophenyl, cyano, acetoxy, benzoyl, (C₁₋₂ alkyl)carbonyl or carbamoyl; allyl; 3-chloroallyl; 3-phenylallyl; phenyl; chlorophenyl or tolyl, R₂ ' is cyano, nitro, --COOM, acetyl, (C₁₋₂ alkoxy)carbonyl, carbamoyl, thiocyano or methylsulfonyl, wherein M is hydrogen or a non-chromophoric cation, each of R₃ and R₄ is independently C₂₋₄ alkyl; C₂₋₄ alkyl monosubstituted by chloro, hydroxy, C₁₋₂ alkoxy, cyano(C₁₋₂ alkoxy), chloroethoxy, (C₁₋₂ alkoxy)carbonylethoxy, allyloxy, prop-2-ynyloxy, benzyloxy, cyano, (C₁₋₂ alkyl)carbonyloxy, (C₁₋₂ alkoxy)carbonyl or (C₁₋₂ alkoxy)carbonyloxy; benzyl; allyl; 2-methylallyl; 3-chloroallyl; 3-phenylallyl or prop-2-ynyl, with the proviso that at least one of R₃ and R₄ is other than benzyl, R₅ is hydrogen or C₁₋₂ alkoxy, and R₆ is hydrogen, methyl or (C₁₋₂ alkyl)carbonylamino.
 9. A compound according to claim 8 whereinR₁ ' is phenyl, chlorophenyl, benzyl, chlorobenzyl, dichlorobenzyl or tolyl, R₂ ' is cyano, carbamoyl or (C₁₋₂ alkoxy)carbonyl, and each of R₃ and R₄ is independently acetoxyethyl, allyloxyethyl, prop-2-ynyloxyethyl, 2-acetoxypropyl, allyl, 2-methylallyl or benzyloxyethyl.
 10. A compound according to claim 9 whereinR₁ ' is benzyl, chlorobenzyl or dichlorobenzyl, R₂ ' is cyano, each of R₃ and R₄ is independently acetoxyethyl, allyloxyethyl, 2-acetoxypropyl, allyl or 2-methylallyl, R₅ is hydrogen, and R₆ is acetamido.
 11. A compound according to claim 8 whereinR₁ ' is benzyl, chlorobenzyl or dichlorobenzyl, R₂ ' is cyano, R₅ is hydrogen, and R₆ is acetamido.
 12. A process for dyeing or printing a hydrophobic, synthetic or semi-synthetic high molecular weight organic textile substrate comprising exhaust dyeing, pad dyeing or printing a hydrophobic, synthetic or semi-synthetic high molecular weight organic textile substrate with a disperse compound according to claim
 1. 13. A compound according to claim 1 wherein R₁ ' is C₁₋₄ alkyl; C₁₋₄ alkyl monosubstituted by fluoro, bromo, chloro, hydroxy, (C₁₋₄ alkyl)carbonyl, C₁₋₄ alkoxy, cyano, thiocyano, phenoxy, (C₁₋₄ alkoxy)carbonyl, phenoxycarbonyl, (C₁₋₄ alkoxy)ethoxycarbonyl, carbamoyl, (C₁₋₄ alkyl)carbamoyl, di-(C₁₋₄ alkyl)carbamoyl, phenylcarbamoyl, N-C₁₋₄ alkyl-N-phenylcarbamoyl, benzoyl, (C₁₋₄ alkyl)carbonyloxy, phenylsulfonyl, C₁₋₄ alkylsulfonyl, sulfamoyl, C₁₋₄ alkylsulfamoyl, di-C₁₋₄ alkylsulfamoyl, phenylsulfamoyl, N-C₁₋₄ alkyl-N-phenylsulfamoyl, phenyl or substituted phenyl having 1 to 2 substituents each of which is independently chloro, bromo, nitro, cyano, trifluoromethyl, C₁₋₄ alkyl or C₁₋₄ alkoxy; C₂₋₄ alkenyl; C₂₋₄ alkenyl monosubstituted by chloro, bromo or phenyl; phenyl or substituted phenyl having 1 to 3 substituents each of which is independently C₁₋₄ alkyl, C₁₋₄ alkoxy, chloro, bromo, nitro, cyano (maximum of two), trifluoromethyl (maximum of two), (C₁₋₄ alkoxy)carbonyl (maximum of two), formyl (maximum of one), (C₁₋₄ alkyl)carbonyl (maximum of one), carbamoyl (maximum of one), (C₁₋₄ alkyl)carbamoyl (maximum of one), di-(C₁₋₄ alkyl)carbamoyl (maximum of one), C₁₋₄ alkylsulfonyl (maximum of one), phenylsulfonyl (maximum of one), sulfamoyl (maximum of one), C₁₋₄ alkylsulfamoyl (maximum of one), di-C₁₋₄ alkylsulfamoyl (maximum of one) or phenylsulfamoyl (maximum of one).
 14. A compound according to claim 2 wherein R₁ ' is C₁₋₂ alkyl; C₁₋₂ alkyl monosubstituted by chloro, phenyl, chlorophenyl, dichlorophenyl, cyano, acetoxy, benzoyl, (C₁₋₂ alkyl)carbonyl or carbamoyl; allyl; 3-chloroallyl; 3-phenylallyl; phenyl; chlorophenyl or tolyl.
 15. A compound according to claim 8 wherein R₁ ' is C₁₋₂ alkyl; C₁₋₂ alkyl monosubstituted by chloro, phenyl, chlorophenyl, dichlorophenyl, cyano, acetoxy, benzoyl, (C₁₋₂ alkyl)carbonyl or carbamoyl, allyl; 3-chloroallyl; 3-phenylallyl; phenyl; chlorophenyl or tolyl.
 16. The compound according to claim 9 having the formula ##STR42##
 17. The compound according to claim 9 having the formula ##STR43##
 18. The compound according to claim 9 having the formula ##STR44##
 19. The compound according to claim 9 having the formula ##STR45##
 20. The compound according to claim 9 having the formula ##STR46##
 21. The compound according to claim 9 having the formula ##STR47##
 22. The compound according to claim 9 having the formula ##STR48##
 23. The compound according to claim 9 having the formula ##STR49## 